Question

A new pain reliever is advertised as being 97%

effective. To 3 decimal places, what is the

probability that the pain reliever will be effective

in 12 independent trials?

A. 0.116

B. 0.694

C. 0.970

D. 0.847

Answer 1

B. 0.694

Explanation:

Hope this helps

Answer 2

B. 0.694

Explanation:

Probability is the ratio of the number of possible outcome to the number of total outcome.

Given that the pain reliever is advertised as being 97% effective, for it to be effective in 12 independent trials

= (97%) ^ 12

= 0.693842361

The is approximately 0.694 to 3 decimal places